I’m not all that impressed. After all, we have the Japanese Underwater Pyramid on Earth, so why can’t Mars have their own unique structure made through erosion.http://rabbithole2.com/presentation/images2/artifacts/japan4.jpg ‘http://news.nationalgeographic.com/news/2007/09/070919-sunken-city.html This reminds me of an argument I made a while back on a topic I can’t really remember. We’re all familiar with the phrase form follows function, but what about the opposite: function follows form. That is, we see the form of a clean jutting piece of rock and assume that it must have a function based on our wild imaginations.